As a programming language, PHP is versatile and widely used across the internet. However, even the most experienced developers struggle with debugging their code from time to time. Thankfully, there are a variety of debugging tools available for PHP users to help them identify and rectify errors in their code.

The most popular debugging tool for PHP is Xdebug. Xdebug is an open-source debugging tool that helps track errors in the code by providing detailed information on the code’s execution. It also allows users to set breakpoints to stop the code at specific points for further inspection. It is available for both Unix and Windows systems.

Another popular debugging tool is the Zend Debugger. This debugging tool comes with Zend Studio, the official integrated development environment (IDE) for PHP. It provides users with a comprehensive suite of debugging tools, including breakpoint and stack trace features.

For more basic debugging needs, the PHP function “var_dump()” is a viable option. This function allows developers to print out information about variables, objects, and arrays. They can also use the “print_r()” function to print out the contents of an array, object, or variable.

Finally, developers can also use the PHP Error Log to debug their code. This tool records all errors that occur in the code, allowing developers to easily identify and troubleshoot any issues that arise.

With the variety of debugging tools available, PHP developers have all the resources they need to identify and fix errors in their code. From comprehensive debugging suites to simple functions, there is a debugging tool available for any level of developer.